Emilio De Gogorza, Studio Orchestra, Ella Tordek, Georges Thill, Germaine Martinelli, Pol Plançon, Maurice Renaud, Giovanni Malipiero, Giovanni Zenatello, Luise Hofer, Jean Planel, Berthe Auguez De Montalant, Giuseppe Krismer, Georgette Frozier-Marrot, Richard Mayr, Giorgina Caprile, Edmond Clement, Louis Morturier
Leo Slezak, Guido Ciccolini, Adelina Agostinelli, Alice Verlet, Carlo Galeffi, Alessandro Bonci, Selma Kurz, Melitta Heim, Marie Rappold, Francesco Daddi, Studio Orchestra, Margaret Keyes, Giovanni Zenatello, Merle Alcock, Dan Beddoe, Maria Avezza, Maria Farneti, Florencio Constantino, Arthur Middleton, Studio Conductor
Angelica Pandolfini, Studio Pianist, Gemma Bellincioni, Studio Orchestra, Giovanni Zenatello, Francesco Marconi, Fiorello Giraud, Fernando Valero, Eugenio Giraldoni
